CN107396046A - A kind of stereoscopic monitoring system and method based on the true threedimensional model of oblique photograph - Google Patents
A kind of stereoscopic monitoring system and method based on the true threedimensional model of oblique photograph Download PDFInfo
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Abstract
The present invention relates to a kind of stereoscopic monitoring system and method based on the true threedimensional model of oblique photograph, its system includes data acquisition module, database generation module and monitoring module, the data acquisition module, its oblique photograph view data for being used to gather area to be monitored and fixed point video monitoring data；The database generation module, it is used for according to the oblique photograph view data and the true three-dimensional modeling data storehouse of fixed point video monitoring data difference correspondence establishment and video monitoring resource database；The monitoring module, it is used to carrying out the true three-dimensional modeling data storehouse and the video monitoring resource database seamless applying, generates the true three-dimensional scenic of full view stereo.The present invention is three-dimensional seamless applying with video monitoring by outdoor scene, and real-time planar covers to the full visual angle of solid, improves overall fidelity height, and can provide truer, more rich and more intuitive field data.
Description
Technical field
The present invention relates to monitoring field, and in particular to a kind of stereoscopic monitoring system based on the true threedimensional model of oblique photograph and
Method.
Background technology
In recent years, as the fast development of information technology, network technology, smart city informatization reform deepen continuously,
City video monitoring networked system development in all parts of the country is very fast, under the leader of all departments, machine-operated unified plans at different levels,
The construction of video monitoring networking system is carried forward vigorously, good work is served to improve city prevention and control ability and city management ability
With.
" day net monitoring system " constitutes monitoring network using a large amount of cameras for being arranged on streets and lanes, believes with reference to geography
Breath system, it is a magic weapon of public security organ's strike crime in the street, is the strong backing of urban public security.It is so-called that " the net of Heaven has large meshes, but it lets nothing through, dredges
Without leaking ".Present each big city, which is substantially all, is running this set system." day net monitoring system " is the significant of " science and technology strengthening police "
Engineering.Public security organ can be entered by monitor supervision platform to main roads, key unit, the hot spots in each street area under one's jurisdiction in city
Row 24 hours is monitored, and can effectively eliminate hidden trouble in public security, and the level for make discovery, arresting active crime in the street is improved.
However as developing rapidly for science and technology, the limitation that two-dimensional map combines " day net monitoring system " increasingly highlights, its
The field data of monitoring is not true enough, abundant and directly perceived, and larger restriction is brought to monitoring application.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of three-dimensional monitoring system based on the true threedimensional model of oblique photograph
System and method, can true, abundant and intuitively display monitoring scene information, realize that plane is comprehensive to three-dimensional full visual angle
" day net " covering.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of solid based on the true threedimensional model of oblique photograph
Monitoring system, including data acquisition module, database generation module and monitoring module,
The data acquisition module, its oblique photograph view data for being used to gather area to be monitored and fixed point video monitoring
Data；
The database generation module, it is used for according to the oblique photograph view data and fixed point video monitoring data point
The true three-dimensional modeling data storehouse of other correspondence establishment and video monitoring resource database；
The monitoring module, it is used to carry out the true three-dimensional modeling data storehouse and the video monitoring resource database
It is seamless applying, generate the true three-dimensional scenic of full view stereo.
The beneficial effects of the invention are as follows：A kind of stereoscopic monitoring system based on the true threedimensional model of oblique photograph of the present invention will be real
Scape is three-dimensional seamless applying with video monitoring, and real-time planar covers to the full visual angle of solid, improves overall fidelity height, and
Truer, more rich and more intuitive field data can be provided.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the data acquisition module includes monitoring camera and the oblique photograph camera being mounted on unmanned plane,
Wherein, the oblique photograph camera is used for the oblique photograph view data for gathering area to be monitored, and the monitoring camera is used for
Gather the fixed point video monitoring data of area to be monitored.
Further, the ship's control of unmanned plane during flying is not less than 80%, and sidelapping degree is not less than 60%.
It is using the above-mentioned further beneficial effect of scheme：The ship's control of unmanned plane during flying is not less than 80%, it is other to
Degree of overlapping is not less than 60%, it is ensured that the quality of true threedimensional model modeling data so that true threedimensional model is more accurate.
Further, the database generation module is specifically used for, and the oblique photograph view data is passed through into image modeling
Technology generates true threedimensional model, and forms true three to storage after the true threedimensional model section using LOD tree-shaped pyramid model
Dimension module database.
It is using the above-mentioned further beneficial effect of scheme：Using LOD tree-shaped pyramid model to the true threedimensional model
Be put in storage after section, it is ensured that the browse efficiency of data and the correctness of spatial relationship.
Further, the database generation module is specifically used for, by the fixed point video monitoring data and monitoring camera
Attribute filed and be put in storage to form video monitoring resource database；
Further, the monitoring module is specifically used for, and is supervised the fixed point video according to the attribute of the monitoring camera
Control data are manually adjusted corresponding to seamless applying to true threedimensional model in positional information.
Based on a kind of above-mentioned stereoscopic monitoring system based on the true threedimensional model of oblique photograph, the present invention also provides one kind and is based on
The three-dimensional monitoring method of the true threedimensional model of oblique photograph.
A kind of three-dimensional monitoring method based on the true threedimensional model of oblique photograph, comprises the following steps,
S1, gather the oblique photograph view data and fixed point video monitoring data of area to be monitored；
S2, according to the oblique photograph view data and the fixed point video monitoring data difference true threedimensional model number of correspondence establishment
According to storehouse and video monitoring resource database；
S3, the true three-dimensional modeling data storehouse and video monitoring resource database progress is seamless applying, and generation is complete
The true three-dimensional scenic of view stereo.
The beneficial effects of the invention are as follows：A kind of three-dimensional monitoring method based on the true threedimensional model of oblique photograph of the present invention will be real
Scape is three-dimensional seamless applying with video monitoring, and real-time planar covers to the full visual angle of solid, improves overall fidelity height, and
Truer, more rich and more intuitive field data can be provided.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, in the S1, inclining for area to be monitored is gathered using the oblique photograph camera being mounted on unmanned plane
Oblique photographic image data；Utilize the fixed point video monitoring data of monitoring camera collection area to be monitored.
Further, the ship's control of unmanned plane during flying is not less than 80%, and sidelapping degree is not less than 60%.
It is using the above-mentioned further beneficial effect of scheme：The ship's control of unmanned plane during flying is not less than 80%, it is other to
Degree of overlapping is not less than 60%, it is ensured that the quality of true threedimensional model modeling data so that true threedimensional model is more accurate.
Further, in the S2, the oblique photograph view data is generated into very three-dimensional mould by image modeling technolog
Type, and true three-dimensional modeling data storehouse is formed to storage after the true threedimensional model section using LOD tree-shaped pyramid model.
It is using the above-mentioned further beneficial effect of scheme：Using LOD tree-shaped pyramid model to the true threedimensional model
Be put in storage after section, it is ensured that the browse efficiency of data and the correctness of spatial relationship.
Further, in the S2, the attribute of the fixed point video monitoring data and monitoring camera is filed simultaneously
Storage forms video monitoring resource database；
In the S3, according to the attribute of the monitoring camera by it is described fixed point video monitoring data manually adjust it is seamless
Conform to corresponding to true threedimensional model in positional information.
Brief description of the drawings
Fig. 1 is a kind of structured flowchart of the stereoscopic monitoring system based on the true threedimensional model of oblique photograph of the present invention；
Fig. 2 is a kind of Organization Chart of the stereoscopic monitoring system based on the true threedimensional model of oblique photograph of the present invention；
Fig. 3 is a kind of flow chart of the three-dimensional monitoring method based on the true threedimensional model of oblique photograph of the present invention.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, a kind of stereoscopic monitoring system based on the true threedimensional model of oblique photograph, including data acquisition module,
Database generation module and monitoring module,
The data acquisition module, its oblique photograph view data for being used to gather area to be monitored and fixed point video monitoring
Data；
The database generation module, it is used for according to the oblique photograph view data and fixed point video monitoring data point
The true three-dimensional modeling data storehouse of other correspondence establishment and video monitoring resource database；
The monitoring module, it is used to carry out the true three-dimensional modeling data storehouse and the video monitoring resource database
It is seamless applying, generate the true three-dimensional scenic of full view stereo.
In this specific embodiment：
The data acquisition module includes monitoring camera and the oblique photograph camera being mounted on unmanned plane, wherein, institute
The oblique photograph view data that oblique photograph camera is used to gather area to be monitored is stated, the monitoring camera is used to gather to wait to supervise
Control the fixed point video monitoring data in region.
Before UAV flight's oblique photograph camera realizes that the oblique photograph view data to area to be monitored is acquired, need
To be made an on-the-spot survey on the spot according to the field condition of area to be monitored and lay artificial target, basic principle is：1) according to live real
Ground situation sets optimal unmanned plane row high and flight course planning；2) in order to ensure the quality of true three-dimensional modeling data, inclination is taken the photograph
The ship's control of shadow flight must not be less than 80%, and sidelapping degree must not be less than 60%；3) in order to ensure Registration of Measuring Data precision,
According to circumstances phased point in scanning process, need to be according to surveying area's topography and landform character and modeling accuracy lays ground control point, control
System point laying should follow the principle of " being reasonably distributed, area's precision is surveyed in effectively control "；4) scan data is checked after the completion of same day scanning
Integrality, prevent test leakage.Control points layout：Using GNSS real-time dynamic positioning system RTK measuring instruments, coordinate total powerstation,
The co-ordinate system information such as spirit level and local CORS (CORS system), the three-dimensional seat at accurate measurement control point
Mark, description of station should be made for the physical location at each control point, should be drawn in the distribution for surveying area for all control points
Overall distribution figure, fast and accurately control point can be surveyed and be located on three-dimensional land map when carrying out three-dimensional modeling so as to the later stage.
The database generation module is specifically used for, and the oblique photograph view data is generated by image modeling technolog
True threedimensional model, and true threedimensional model number is formed to storage after the true threedimensional model section using LOD tree-shaped pyramid model
According to storehouse.Contain GPS information in the oblique photograph view data of UAV flight's oblique photograph camera collection, three can be quickly introduced
Dimension is rebuild related software and handled；With reference to control point information, high accuracy data achievement can be got.Data processing master
Flow is wanted to include the beautification of photograph, photo control point selection and thorn point, aerial triangulation and Model Reconstruction.Taken the photograph in addition, tilting
Influence during shadow due to weather, optical fiber and on-site actual situations can influence the display quality of data, therefore, oblique photograph
True three-dimensional data carries out also wanting road pavement and floor to carry out certain refine and beautification after having rebuild.
The database generation module is specifically used for, and the attribute of the fixed point video monitoring data and monitoring camera is entered
Row is filed and is put in storage to form video monitoring resource database.Wherein the attribute of monitoring camera includes the seat of each monitoring camera
Cursor position, numbering, model, positional information, date of manufacture, accident rate etc.；In the monitoring module, by the true threedimensional model
Database and the video monitoring resource database carry out seamless applying detailed process, according to the category of the monitoring camera
Property by it is described fixed point video monitoring data manually adjust corresponding to seamless applying to true threedimensional model in positional information.Manual fine-tuning
Make video monitoring and the matching of true three-dimensional scenic combination actual scene more accurate.
Fig. 2 is a kind of Organization Chart of the stereoscopic monitoring system based on the true threedimensional model of oblique photograph of the present invention, is broadly divided into
Three layers：
Information gathering layer
UAV flight's oblique photograph camera carries out oblique photograph and monitoring camera carries out video monitoring；
Database layer
Unmanned plane boat flies oblique photograph data and true threedimensional model is formed after space three-dimensional is handled, and according to pyramid model
True three-dimensional modeling data storehouse is generated to storage after the true threedimensional model slicing treatment；The fixed point video monitoring number of monitoring camera
According to establishing video monitoring resource database.
Supervisory layers (i.e. application layer)
True threedimensional model and the progress of video monitoring resource database is seamless applying, form the true three dimensional field of full view stereo
Scape, realize to area to be monitored three-dimensional monitoring dynamic in real time；Following monitoring application can specifically be carried out：
Outdoor scene is reported a case to the security authorities：
Slitless connection is carried out with very three-dimensional by original two-dimensional map combination day net linkage surveillance equipment, reaches flat in real time
The three-dimensional full visual angle covering in face, realizes that outdoor scene is reported a case to the security authorities.
True three-dimensional scenic monitor video patrol:
, can be with the real scene for checking interested region as on the spot in person, by very in three-dimensional by true three-dimensional scenic
The monitoring system that face is laid, it is possible to achieve dynamic monitor video patrol function in real time.
Three-dimensional labeling:
By true three-dimensional scenic, the spatial coordinate location and real time view of camera can be checked, is entered with reference to scene around
Row precise positioning, such as the direction of road and visual angle etc., there is provided more spatial information auxiliary dispatching commanders.
Data quickly update:
Traditional Simulation and Modeling Technology can not meet the modeling requirement of rapid urban.True threedimensional model uses automatic
Modeling efficiency and urban information acquisition capacity can be substantially improved with intelligent scene analytical technology in modeling technique.
Three-dimensional data is by UAV flight's oblique photograph camera highly effective gathering used by true threedimensional model modeling, and passes through
Image modeling technolog quickly generates outdoor scene three-dimensional, and the database update cycle is greatly shortened；The hair in real record city simultaneously
Exhibition transition and the emergency command environment of various events, make police image museum, provide and last for urban safety emergency command
With reference to and decision-making foundation.
A kind of stereoscopic monitoring system based on the true threedimensional model of oblique photograph of the present invention is created by photogrammetric digitlization
It is new and combining geographic information system development, the true threedimensional model of oblique photograph and " video monitoring " are communicated to connect, realize plane
" day net " covering comprehensive to the full visual angle of solid, very three-dimensional " monitoring " GIS-Geographic Information System construction is completed, it is effective to solve
The problem of monitoring is with two-dimensional map blind area.
A kind of stereoscopic monitoring system based on the true threedimensional model of oblique photograph of the present invention by the true threedimensional model of oblique photograph with
Video monitoring is combined formation base geodata, provide not only spatial positional information, careful environmental information and in real time
Monitoring information, powerful support is provided for all departments' safety measure.
The true threedimensional model of oblique photograph is combined to the basic geographic database of composition with video monitoring, enriches basic number
According to having expanded service application, the defects of compensate for conventional vector image data, reduced the true environment at scene.With following
Feature：
1. the visual gis database of outdoor scene is made, the imaging in computer by the city look and feel of whole scene
Reproduce seamless applying with whole scene in real time with video monitoring realization.
2. the true three-dimensional modeling data storehouse of monitoring fundamental geological based on live-action image collection combines original common data, business
The collection renewal of thematic data content, data construction content necessary to be provided for monitoring system.
3. combining video monitoring by the way that outdoor scene is three-dimensional, the video patrol function of real scene can be achieved, such as：Report a case to the security authorities event,
The prediction scheme making of the measurement and assessment, the imaging that visualize orientation management, building and passage of dangerous matter sources and command scheduling etc..
4. the leader or municaipal Party committee and government leader for urban safety emergency command provide long-range visual emergency preplan；
No matter daytime or evening, decision commanding on the spot in person can be carried out in the very first time.
5. the really Vicissitude in record city and the emergency command environment of various events, are urban safety emergency command
Offer lasts reference and decision-making foundation.
Based on a kind of above-mentioned stereoscopic monitoring system based on the true threedimensional model of oblique photograph, the present invention also provides one kind and is based on
The three-dimensional monitoring method of the true threedimensional model of oblique photograph.
A kind of three-dimensional monitoring method based on the true threedimensional model of oblique photograph, oblique photograph true three is based on using above-mentioned one kind
The stereoscopic monitoring system of dimension module is monitored, and is comprised the following steps,
S1, gather the oblique photograph view data and fixed point video monitoring data of area to be monitored；
S2, according to the oblique photograph view data and the fixed point video monitoring data difference true threedimensional model number of correspondence establishment
According to storehouse and video monitoring resource database；
S3, the true three-dimensional modeling data storehouse and video monitoring resource database progress is seamless applying, and generation is complete
The true three-dimensional scenic of view stereo.
In this specific embodiment：
In the S1, the oblique photograph figure of area to be monitored is gathered using the oblique photograph camera being mounted on unmanned plane
As data；Utilize the fixed point video monitoring data of monitoring camera collection area to be monitored.
The ship's control of unmanned plane during flying is not less than 80%, and sidelapping degree is not less than 60%.
In the S2, the oblique photograph view data is generated into true threedimensional model by image modeling technolog, and adopt
Storage forms true three-dimensional modeling data storehouse after being cut into slices with LOD tree-shaped pyramid model.
In the S2, the attribute of the fixed point video monitoring data and monitoring camera is filed and is put in storage to be formed
Video monitoring resource database；In the S3, according to the attribute of the monitoring camera by the fixed point video monitoring data
Manually adjust corresponding to seamless applying to true threedimensional model in positional information.Such as：Difference on true threedimensional model has one
Individual space coordinates (true threedimensional model is exactly a simulation to scene in fact), video monitoring is carried out on certain point at the scene
, the data of video monitoring are moved on on true threedimensional model correspondence position, make the data of video monitoring with it is right on true threedimensional model
The coordinate coincidence can that should be put is realized seamless applying.
A kind of three-dimensional monitoring method based on the true threedimensional model of oblique photograph of the present invention is three-dimensional with video monitoring by outdoor scene
Seamless applying, real-time planar covers to the full visual angle of solid, improves overall fidelity height, and can provide truer, richer
Rich and more intuitive field data；Meanwhile no matter daytime, night can control live real scene environment in real time, in addition very
Three-dimensional scenic adds the utilization of video monitoring more preferably can more intuitively realize screen linkage, the function of patrol.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
- A kind of 1. stereoscopic monitoring system based on the true threedimensional model of oblique photograph, it is characterised in that：Including data acquisition module, number According to storehouse generation module and monitoring module,The data acquisition module, its oblique photograph view data for being used to gather area to be monitored and fixed point video monitoring number According to；The database generation module, it is used for right respectively according to the oblique photograph view data and fixed point video monitoring data True three-dimensional modeling data storehouse and video monitoring resource database should be established；The monitoring module, it is used for the true three-dimensional modeling data storehouse and video monitoring resource database progress is seamless Fitting, generates the true three-dimensional scenic of full view stereo.
- A kind of 2. stereoscopic monitoring system based on the true threedimensional model of oblique photograph according to claim 1, it is characterised in that： The data acquisition module includes monitoring camera and the oblique photograph camera being mounted on unmanned plane, wherein, the inclination is taken the photograph Shade machine is used for the oblique photograph view data for gathering area to be monitored, and the monitoring camera is used to gather area to be monitored Pinpoint video monitoring data.
- A kind of 3. stereoscopic monitoring system based on the true threedimensional model of oblique photograph according to claim 2, it is characterised in that： The ship's control of unmanned plane during flying is not less than 80%, and sidelapping degree is not less than 60%.
- 4. a kind of stereoscopic monitoring system based on the true threedimensional model of oblique photograph according to Claims 2 or 3, its feature exist In：The database generation module is specifically used for, and the oblique photograph view data is generated into true three by image modeling technolog Dimension module, and true three-dimensional modeling data storehouse is formed to storage after the true threedimensional model section using LOD tree-shaped pyramid model.
- A kind of 5. stereoscopic monitoring system based on the true threedimensional model of oblique photograph according to claim 4, it is characterised in that： The database generation module is specifically used for, and the attribute of the fixed point video monitoring data and monitoring camera is filed simultaneously Storage forms video monitoring resource database；The monitoring module is specifically used for, and is adjusted the fixed point video monitoring data manually according to the attribute of the monitoring camera Corresponding to whole seamless applying to true threedimensional model in positional information.
- A kind of 6. three-dimensional monitoring method based on the true threedimensional model of oblique photograph, it is characterised in that：Comprise the following steps,S1, gather the oblique photograph view data and fixed point video monitoring data of area to be monitored；S2, according to the oblique photograph view data and the fixed point video monitoring data difference true three-dimensional modeling data storehouse of correspondence establishment With video monitoring resource database；S3, the true three-dimensional modeling data storehouse and video monitoring resource database progress is seamless applying, generate full visual angle Three-dimensional true three-dimensional scenic.
- A kind of 7. three-dimensional monitoring method based on the true threedimensional model of oblique photograph according to claim 6, it is characterised in that： In the S1, the oblique photograph view data of area to be monitored is gathered using the oblique photograph camera being mounted on unmanned plane； Utilize the fixed point video monitoring data of monitoring camera collection area to be monitored.
- A kind of 8. three-dimensional monitoring method based on the true threedimensional model of oblique photograph according to claim 7, it is characterised in that： The ship's control of unmanned plane during flying is not less than 80%, and sidelapping degree is not less than 60%.
- 9. a kind of three-dimensional monitoring method based on the true threedimensional model of oblique photograph according to claim 7 or 8, its feature exist In：In the S2, the oblique photograph view data is generated into true threedimensional model by image modeling technolog, and use LOD Tree-shaped pyramid model forms true three-dimensional modeling data storehouse to storage after the true threedimensional model section.
- 10. a kind of three-dimensional monitoring method based on the true threedimensional model of oblique photograph according to claim 9, its feature exist In：In the S2, the attribute of the fixed point video monitoring data and monitoring camera is filed and is put in storage to form video Monitor resource database；In the S3, according to the attribute of the monitoring camera by it is described fixed point video monitoring data manually adjust it is seamless applying To corresponding to true threedimensional model in positional information.
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| CN108344397A (en) * | 2017-12-28 | 2018-07-31 | 中国公路工程咨询集团有限公司 | Automation modeling method, system and its auxiliary device based on oblique photograph technology |
| CN108375367A (en) * | 2018-01-25 | 2018-08-07 | 中铁第四勘察设计院集团有限公司 | Combined ground laser radar and the work of oblique photograph point surveying method and system |
| CN108520555A (en) * | 2018-04-11 | 2018-09-11 | 长江大学 | geological model construction method and device |
| CN109269555A (en) * | 2018-09-03 | 2019-01-25 | 空中梦想（北京）科技有限公司 | System and method is monitored based on unmanned plane and the Safety of Tailings Dam of dimensional Modeling Technology |
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| CN109920048A (en) * | 2019-02-15 | 2019-06-21 | 北京清瞳时代科技有限公司 | Monitored picture generation method and device |
| CN110220502A (en) * | 2019-06-11 | 2019-09-10 | 长江水利委员会长江科学院 | It is a kind of that dynamic monitoring method is built based on paddling for stereoscopic monitoring technology |
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| CN110533987A (en) * | 2019-09-04 | 2019-12-03 | 广州星唯信息科技有限公司 | A kind of outdoor scene interactive simulation control loop and method |
| CN110940320A (en) * | 2019-07-19 | 2020-03-31 | 华北电力大学（保定） | Open stock ground monitored control system based on unmanned aerial vehicle cruises |
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